Hey there!
B in a slope intercept form equation is the the y intercept. It dictates where the line will cross the y axis, and therefore the line's placement altogether. This is because if there was no y intercept, the line would only be shaped by the slope, and would start at 0.
Hope this helped!
Answer:
14.5
Step-by-step explanation:
12 13 14 15 16 17
X O ^14.5 is in the middle O X